Clover coverage report - Maven Clover report
Coverage timestamp: Thu Jan 25 2007 11:17:27 IST
Overview   Package   File
    FRAMES   NO FRAMES  
file stats: LOC: 237   Methods: 7
NCLOC: 136   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
WizCrypt.java 76.7% 94.1% 85.7% 88.6%
coverage coverage
 1    /*
 2    * WizCrypt.java
 3    *
 4    * Created on 23 December 2006, 09:48
 5    *
 6    * To change this template, choose Tools | Template Manager
 7    * and open the template in the editor.
 8    */
 9   
 10    package org.wiztools.wizcrypt;
 11   
 12    import java.io.IOException;
 13    import java.io.InputStream;
 14    import java.io.OutputStream;
 15    import java.nio.charset.Charset;
 16    import java.util.Arrays;
 17    import java.util.ResourceBundle;
 18    import java.util.zip.GZIPInputStream;
 19    import java.util.zip.GZIPOutputStream;
 20    import javax.crypto.CipherInputStream;
 21    import javax.crypto.CipherOutputStream;
 22   
 23    /**
 24    * This class has the public APIs of WizCrypt application to do encryption and decryption.
 25    * @see CipherKeyGen
 26    * @see CipherKey
 27    * @author subhash
 28    */
 29    public final class WizCrypt {
 30   
 31    private static final ResourceBundle rb = ResourceBundle.getBundle("org.wiztools.wizcrypt.wizcryptmsg");
 32   
 33    /** Disallow public creation of instances of this object. */
 34  0 private WizCrypt() {
 35    }
 36   
 37    /**
 38    * This is the public API exposed to encrypt.
 39    *
 40    *
 41    * @param is The input stream that needs to be encrypted.
 42    * @param os The output stream where the encrypted content
 43    * of <code>is</code> need to be written.
 44    * @param ck The <code>CipherKey</code> object. This has to be
 45    * created by passing the password to
 46    * <code>CipherKeyGen.getCipherKeyForEncrypt(String keyStr)</code>.
 47    * @param cb <code>Callback</code> object for monitoring the progress.
 48    * @param size The size of the <code>is</code> stream. When this is passed,
 49    * the <code>Callback.notifyProgress(long value)</code> will receive
 50    * the percentage completed. If this is not passed, it will get the
 51    * number of bytes read and processed.
 52    * @see CipherKeyGen#getCipherKeyForEncrypt(String keyStr)
 53    * @see CipherKey
 54    * @see Callback
 55    * @throws IOException <code>IOException</code> is thrown when
 56    * faced with IO issues during read/write.
 57    */
 58  3 public static void encrypt(final InputStream is, final OutputStream os,
 59    final CipherKey ck, final Callback cb, final long size) throws IOException{
 60   
 61  3 CipherInputStream cis = null;
 62  3 OutputStream gos = new GZIPOutputStream(os);
 63  3 try{
 64  3 if(cb != null){
 65  2 cb.begin();
 66    }
 67   
 68  3 cis = new CipherInputStream(is, ck.cipher);
 69   
 70    // Write the file-format magic number
 71  3 byte[] versionStr = FileFormatVersion.WC07.getBytes(WizCryptAlgorithms.STR_ENCODE);
 72  3 gos.write(versionStr);
 73   
 74    // Write the hash in next 16 bytes
 75  3 gos.write(ck.passKeyHash);
 76   
 77  3 int i = -1;
 78  3 byte[] buffer = new byte[0xFFFF];
 79  3 long readSize = 0;
 80  ? while((i=cis.read(buffer)) != -1){
 81  49 gos.write(buffer, 0, i);
 82  49 readSize += i;
 83  49 if(cb != null){
 84  48 if(size == -1){
 85  24 cb.notifyProgress(readSize);
 86    }
 87    else{
 88  24 cb.notifyProgress(readSize * 100 / size);
 89    }
 90    }
 91    }
 92    }
 93    finally{
 94  3 try{
 95  3 if(gos != null){
 96  3 gos.close();
 97    }
 98    } catch(IOException ioe){
 99  0 System.err.println(ioe.getMessage());
 100    }
 101  3 try{
 102  3 if(cis != null){
 103  3 cis.close();
 104    }
 105    } catch(IOException ioe){
 106  0 System.err.println(ioe.getMessage());
 107    }
 108  3 if(cb != null){
 109  2 cb.end();
 110    }
 111    }
 112    }
 113   
 114    /**
 115    * @see #encrypt(InputStream is, OutputStream os,
 116    * CipherKey ck, Callback cb, long size)
 117    */
 118  1 public static void encrypt(final InputStream is, final OutputStream os,
 119    final CipherKey ck) throws IOException{
 120  1 encrypt(is, os, ck, null, -1);
 121    }
 122   
 123    /**
 124    * @see #encrypt(InputStream is, OutputStream os,
 125    * CipherKey ck, Callback cb, long size)
 126    */
 127  1 public static void encrypt(final InputStream is, final OutputStream os,
 128    final CipherKey ck, final Callback cb) throws IOException{
 129  1 encrypt(is, os, ck, cb, -1);
 130    }
 131   
 132    /**
 133    * This is the public API exposed to decrypt.
 134    *
 135    *
 136    * @param is The input stream that needs to be decrypted.
 137    * @param os The output stream where the decrypted content
 138    * of <code>is</code> need to be written.
 139    * @param ck The <code>CipherKey</code> object. This has to be
 140    * created by passing the password to
 141    * <code>CipherKeyGen.getCipherKeyForDecrypt(String keyStr)</code>.
 142    * @param cb <code>Callback</code> object for monitoring the progress.
 143    * @param size The size of the <code>is</code> stream. When this is passed,
 144    * the <code>Callback.notifyProgress(long value)</code> will receive
 145    * the percentage completed. If this is not passed, it will get the
 146    * number of bytes read and processed.
 147    * @see CipherKeyGen#getCipherKeyForDecrypt(String keyStr)
 148    * @see CipherKey
 149    * @see Callback
 150    * @throws PasswordMismatchException <code>PasswordMismatchException</code>
 151    * is thrown when the supplied password is wrong.
 152    * @throws IOException <code>IOException</code> is thrown when faced with
 153    * IO issues during read/write.
 154    */
 155  4 public static void decrypt(final InputStream is, final OutputStream os,
 156    final CipherKey ck, final Callback cb, final long size) throws IOException, PasswordMismatchException{
 157   
 158  4 CipherOutputStream cos = null;
 159  4 InputStream gis = new GZIPInputStream(is);
 160  4 try{
 161  4 if(cb != null){
 162  2 cb.begin();
 163    }
 164   
 165    // Read the magic number
 166  4 byte[] versionStr = FileFormatVersion.WC07.getBytes(WizCryptAlgorithms.STR_ENCODE);
 167  4 int versionByteLen = versionStr.length;
 168  4 byte[] magicNumber = new byte[versionByteLen];
 169  4 gis.read(magicNumber, 0, versionByteLen);
 170  4 System.out.println("magicNumber: "+new String(magicNumber));
 171   
 172    // read 16 bytes from fis
 173  4 byte[] filePassKeyHash = new byte[16];
 174  4 gis.read(filePassKeyHash, 0, 16);
 175   
 176  4 if(!Arrays.equals(ck.passKeyHash, filePassKeyHash)){
 177  1 throw new PasswordMismatchException(rb.getString("err.pwd.not.match"));
 178    }
 179   
 180  3 cos = new CipherOutputStream(os, ck.cipher);
 181   
 182  3 int i = -1;
 183  3 byte[] buffer = new byte[0xFFFF];
 184  3 long readSize = 0;
 185  ? while((i=gis.read(buffer)) != -1){
 186  49 cos.write(buffer, 0, i);
 187  49 readSize += i;
 188  49 if(cb != null){
 189  48 if(size == -1){
 190  24 cb.notifyProgress(readSize);
 191    }
 192    else{
 193  24 cb.notifyProgress(readSize * 100 / size);
 194    }
 195    }
 196    }
 197    }
 198    finally{
 199  4 try{
 200  4 if(cos != null){
 201  3 cos.close();
 202    }
 203    } catch(IOException ioe){
 204  0 System.err.println(ioe.getMessage());
 205    }
 206  4 try{
 207  4 if(gis != null){
 208  4 gis.close();
 209    }
 210    } catch(IOException ioe){
 211  0 System.err.println(ioe.getMessage());
 212    }
 213  4 if(cb != null){
 214  2 cb.end();
 215    }
 216    }
 217    }
 218   
 219    /**
 220    * @see #decrypt(InputStream is, OutputStream os,
 221    * CipherKey ck, Callback cb, long size)
 222    */
 223  2 public static void decrypt(final InputStream is, final OutputStream os,
 224    final CipherKey ck) throws IOException, PasswordMismatchException{
 225  2 decrypt(is, os, ck, null, -1);
 226    }
 227   
 228    /**
 229    * @see #decrypt(InputStream is, OutputStream os,
 230    * CipherKey ck, Callback cb, long size)
 231    */
 232  1 public static void decrypt(final InputStream is, final OutputStream os,
 233    final CipherKey ck, final Callback cb) throws IOException,
 234    PasswordMismatchException{
 235  1 decrypt(is, os, ck, cb, -1);
 236    }
 237    }
 
CloverReport generated by Clover Code Coverage v1.3.12
Thu Jan 25 2007 11:18:23 IST.		   Open Source License registered to the WizCrypt Project. This license of Clover is provided to support the development of WizCrypt only.